Calendar 2021
January
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 53 | 28 | 29 | 30 | 31 | 1 | 2 | 3 |
|---|
| 01 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
| 02 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
|---|
| 03 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|
| 04 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|
February
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 05 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 06 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|
| 07 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|
| 08 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
|---|
March
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 09 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 10 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|
| 11 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|
| 12 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
|---|
| 13 | 29 | 30 | 31 | 1 | 2 | 3 | 4 |
|---|
April
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 13 | 29 | 30 | 31 | 1 | 2 | 3 | 4 |
|---|
| 14 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|
| 15 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|
| 16 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
|---|
| 17 | 26 | 27 | 28 | 29 | 30 | 1 | 2 |
|---|
May
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 17 | 26 | 27 | 28 | 29 | 30 | 1 | 2 |
|---|
| 18 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|
| 19 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|
| 20 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|
| 21 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|
| 22 | 31 | 1 | 2 | 3 | 4 | 5 | 6 |
|---|
June
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 22 | 31 | 1 | 2 | 3 | 4 | 5 | 6 |
|---|
| 23 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|---|
| 24 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|
| 25 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
|---|
| 26 | 28 | 29 | 30 | 1 | 2 | 3 | 4 |
|---|
July
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 26 | 28 | 29 | 30 | 1 | 2 | 3 | 4 |
|---|
| 27 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|
| 28 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|
| 29 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
|---|
| 30 | 26 | 27 | 28 | 29 | 30 | 31 | 1 |
|---|
August
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 30 | 26 | 27 | 28 | 29 | 30 | 31 | 1 |
|---|
| 31 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| 32 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|
| 33 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
|---|
| 34 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
|---|
| 35 | 30 | 31 | 1 | 2 | 3 | 4 | 5 |
|---|
September
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 35 | 30 | 31 | 1 | 2 | 3 | 4 | 5 |
|---|
| 36 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| 37 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|
| 38 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
|---|
| 39 | 27 | 28 | 29 | 30 | 1 | 2 | 3 |
|---|
October
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 39 | 27 | 28 | 29 | 30 | 1 | 2 | 3 |
|---|
| 40 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
| 41 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
|---|
| 42 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|
| 43 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|
November
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 44 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 45 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|
| 46 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|
| 47 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
|---|
| 48 | 29 | 30 | 1 | 2 | 3 | 4 | 5 |
|---|
December
| KW | Mo | Di | Mi | Do | Fr | Sa | So |
|---|
| 48 | 29 | 30 | 1 | 2 | 3 | 4 | 5 |
|---|
| 49 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|
| 50 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|
| 51 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
|---|
| 52 | 27 | 28 | 29 | 30 | 31 | 1 | 2 |
|---|
The year 2021s maximum week number is WN 52. 2021 starts on
Friday, January 1st 2021 and ends on Friday, December 31st 2021.
One year has up to 53 week numbers. The first week of the year (WN 1) is the week containing january 4th or the first tuesday of the Year.